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How to use GROUP BY to concatenate strings in MySQL?

...doc/refman/5.0/en/group-by-functions.html#function_group-concat From the link above, GROUP_CONCAT: This function returns a string result with the concatenated non-NULL values from a group. It returns NULL if there are no non-NULL values. ...
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Can I Set “android:layout_below” at Runtime Programmatically?

Is it possible when creating a RelativeLayout at runtime to set the equivalent of android:layout_below programmatically? ...
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Proper way to return JSON using node or Express

So, one can attempt to fetch the following JSON object: 10 Answers 10 ...
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SVG gradient using CSS

I'm trying to get a gradient applied to an SVG rect element. 6 Answers 6 ...
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How to remove multiple indexes from a list at the same time? [duplicate]

... You need to do this in a loop, there is no built-in operation to remove a number of indexes at once. Your example is actually a contiguous sequence of indexes, so you can do this: del my_list[2:6] which removes the slice starting at 2 and en...
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SQL - find records from one table which don't exist in another

I've got the following two SQL tables (in MySQL): 8 Answers 8 ...
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INNER JOIN vs LEFT JOIN performance in SQL Server

I've created SQL command that uses INNER JOIN on 9 tables, anyway this command takes a very long time (more than five minutes). So my folk suggested me to change INNER JOIN to LEFT JOIN because the performance of LEFT JOIN is better, despite what I know. After I changed it, the speed of query got si...
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Django: Set foreign key using integer?

Is there a way to set foreign key relationship using the integer id of a model? This would be for optimization purposes. 2...
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Set element focus in angular way

After looking for examples of how set focus elements with angular, I saw that most of them use some variable to watch for then set focus, and most of them use one different variable for each field they want to set focus. In a form, with a lot of fields, that implies in a lot of different variables. ...
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View's SELECT contains a subquery in the FROM clause

... As per documentation: MySQL Docs The SELECT statement cannot contain a subquery in the FROM clause. Your workaround would be to create a view for each of your subqueries. Then access those views from within your view view_credit_status ...